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30540795895 = 520441298819
BaseRepresentation
bin11100011100010111…
…111000111111110111
32220211102220011212201
4130130113320333313
51000021420432040
622010311125331
72130554324161
oct343427707767
986742804781
1030540795895
1111a52534a95
125b04073847
132b5943207c
14169a1bd931
15bdb34ea9a
hex71c5f8ff7

30540795895 has 8 divisors (see below), whose sum is σ = 36650870640. Its totient is φ = 24431359680.

The previous prime is 30540795869. The next prime is 30540795913. The reversal of 30540795895 is 59859704503.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30540795895 - 27 = 30540795767 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47205 + ... + 251614.

It is an arithmetic number, because the mean of its divisors is an integer number (4581358830).

Almost surely, 230540795895 is an apocalyptic number.

30540795895 is a deficient number, since it is larger than the sum of its proper divisors (6110074745).

30540795895 is a wasteful number, since it uses less digits than its factorization.

30540795895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319265.

The product of its (nonzero) digits is 6804000, while the sum is 55.

The spelling of 30540795895 in words is "thirty billion, five hundred forty million, seven hundred ninety-five thousand, eight hundred ninety-five".

Divisors: 1 5 20441 102205 298819 1494095 6108159179 30540795895